49d867a06a863580939bbc3057db6f342890d3f8ea6f842d20fe3603a7cfc3e6

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 03:43

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General

Target

26c6d1194cf3ec22fcc00da7de44704b.exe
Size

1.4MB
MD5

26c6d1194cf3ec22fcc00da7de44704b
SHA1

c5640485948b0eb2609e6229c7b96e8350d0abe4
SHA256

49d867a06a863580939bbc3057db6f342890d3f8ea6f842d20fe3603a7cfc3e6
SHA512

3b20a9a615faf592028426ad9f5b9f0a76b164654f297b6580022bc95e7412d324a9e24679e625fb72ad51b3f6de2ed0c2950026d40ebe03f95a5ab6b08c5765
SSDEEP

24576:Pmb5ta7ShseSshw9C0nsXH0EMC/yuPTbPSIzzjPrN8xFiFPuV40Tk0vEv:ObTaSh0nnENPTbKIzzjPJ+kxo40Y0k

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4592	irsetup.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4592	irsetup.exe
4592	irsetup.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 4592	1544	26c6d1194cf3ec22fcc00da7de44704b.exe	88
PID 1544 wrote to memory of 4592	1544	26c6d1194cf3ec22fcc00da7de44704b.exe	88
PID 1544 wrote to memory of 4592	1544	26c6d1194cf3ec22fcc00da7de44704b.exe	88

C:\Users\Admin\AppData\Local\Temp\26c6d1194cf3ec22fcc00da7de44704b.exe
"C:\Users\Admin\AppData\Local\Temp\26c6d1194cf3ec22fcc00da7de44704b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Users\Admin\AppData\Local\Temp\irsetup.exe
  "C:\Users\Admin\AppData\Local\Temp\irsetup.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IRIMG1.BMP

Filesize
7KB

MD5
95145f4cead2c4bd2ec219bc87d83f1d

SHA1
5eec034dfc7d9a6d93c21f38dfe2405c8968f6ed

SHA256
0542cb1d3e6b50f78dc63ea1abec6c518cfd4ea203649df3ef3834309ea66cad

SHA512
081d9cfa0bc46a54fcf03a62e5663282d27f56e20fbeafba2833d6267de285a354915c661dd67a3217f4dc2330c7f49babf8b24a5a68ba5a014f5e1e297cc5df

Download Submit
C:\Users\Admin\AppData\Local\Temp\IRIMG2.BMP

Filesize
7KB

MD5
e29a24e189e95681bb41f73c16747fd8

SHA1
e9269bb9cb6f2b700fc78f92066f31b15a9c5c2a

SHA256
3973d354045be781eabf9114772fe2e5e96d1e557793de10c914d901b16e8c09

SHA512
4c6db25e04acb8349da29249f712b20c217d792e6d5fd40af9b398e2617d5168ef0afc2505a05b0833b90165d5e5eaf2e98d1821e855a99fc7833de52154ad94

Download Submit
C:\Users\Admin\AppData\Local\Temp\irsetup.dat

Filesize
6KB

MD5
123044b16601e61c9cb3a41f0039b261

SHA1
e2119058caf252e35f61dc0f8f9122d438d30f75

SHA256
d3bc8eca5e699c43c90e26ce28587f5bbc174d742bf76d6f66d5997a1657b342

SHA512
9eb9de4828e13a1b93e5f630adf9c2339b37ef590f068a910e4d62d3f1ce718258c003b48b6471e4fbf61663b41bbe6b59ce0e6ab865f37c3af5a278063c8582

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C:\Users\Admin\AppData\Local\Temp\irsetup.exe

Filesize
704KB

MD5
6f20d65c5af232700ddf7b3206d9c870

SHA1
527a7e3525dd9b0f3f6e0d508702e6816311b255

SHA256
593ad36de23204385eeadfe318972c2e9f01275e59fd00342ad5892be0b2c6b0

SHA512
3f038a87dc644994c68b1c2596aa499fc128a18bcab74766c81ea2bc6d5a86511a810af2700e87bfe85b28fe792a51795b4014a2145c01b122ca869a577538e0

Download Submit
C:\Users\Admin\AppData\Local\Temp\irsetup.ini

Filesize
105B

MD5
53fad8027a47988f57cca036ea73ac8f

SHA1
8cc8ab47f97a4389d7f010cee8f47badbb9adcf4

SHA256
3624513b953a35b2fc7b99ff859c9de7ef85f817e78a8fac81453d5a179b1c4a

SHA512
0953b577a2a4ba57337dd1aadd4c2b7643dc09e83b9063032ebb830d45f85900f04de234b0547c421dfb53a8b9fc9b1389cb44df7d2469422795a28f11957b3d

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C:\Users\Admin\AppData\Local\Temp\suf6lng.4

Filesize
12KB

MD5
5930543afe37917c8e447635310009d5

SHA1
b012ad5d21489c97e2fdb27728e808200fceef07

SHA256
a084e98c6807381e118d47c1c65c591361f4159d87b3b4386ed347ca60c890a5

SHA512
073080d3233d21936fc8ddafd06bcde8eb15913577b1a7015cbdb3a8af13c7678e65f1afa2036e2fb59eebec55f8fbf025958d8490d13dea05a093534a4aff9b

Download Submit